Hand controller for medical system



FIG. 1 is a right perspective view of a hand controller for medicalsystem showing our new design, the broken lines are for illustrativepurposes only and form no part of the claimed design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for hand controller for medical system, as shownand described.